【推荐1】Dalian has a population of about 5.3 million.（对画线部分提问）
________ the population of Dalian?

【推荐2】It’s a cat.(对画线部分提问)
________ ________ ________?

【推荐3】Those are erasers. (改为单数)
________ ________ eraser.

【推荐1】我家乡尤其因其大学而闻名。
My home is especially _______ ________ its university.

【推荐2】China, silk, is, famous for
_______________________________________.

【推荐3】三亚以美丽的海滩而出名。
Sanya ________________ its beautiful beaches.

【推荐1】beautiful, Guilin, is known for, scenery, its
_____________________________________.

【推荐2】三亚因美丽的海滩而著名。
Sanya ____________ its beautiful beaches.

【推荐3】China, silk, known, is, for _________________________________________?

【推荐1】很高兴见到你。
I _______ ________ to meet you.

【推荐2】汉语语法和英语语法大不相同。
The grammar of Chinese is quite ________ ________ that of English.

【推荐3】Ⅳ.句型转换
1. A: Greeting each other with a smile is necessary in our daily life. (根据A句的意思完成B句，使两句的意思基本相同)
B: ______ is necessary ______ greet each other with a smile in our daily life.
2. There are five million people in our city. (对画线部分提问)
______ ______ ______ are there in your city?
3. In order to protect the environment, we turn off the light when we leave the room. (改为同义句)
We turn off the light when we leave the room ______ ______ we can protect the environment.
4. My home is not far from my school, so I often go to school on foot. (改为同义句)
My home is ______ ______ my school, so I often go to school on foot.
5. They have known David for over 20 years. (改为同义句)
They have known David for ______ ______ 20 years.